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摘要：
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以NUMISHEET 93的标准考题U形弯曲为例 ,研究了积分点个数、板料网格大小、凸模速度对回弹显式算法计算精度和计算效率的影响 ,给出了这 3个参数的合理取值
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Taking U bending process, one of benchmark of NUMISHET93, as an example, the effect of number of integration points, blank mesh size, and punch velocity on accuracy and efficiency of springback simulation is studied, and the reasonable value is proposed.
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基金项目：
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作者简介：
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参考文献：
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